Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of stock-based compensation

A summary of our aggregate share-based compensation expense is set forth below: 

	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
	in millions
Liberty Global:
Performance-based incentive awards (a)	$	20.8	$	35.8	$	25.3	$	76.9
Other share-based incentive awards	31.5		33.1		59.6		58.5
Total Liberty Global	52.3		68.9		84.9		135.4
Telenet share-based incentive awards	3.5		3.6		7.5		4.6
Other	0.6		2.1		3.0		3.6
Total	$	56.4	$	74.6	$	95.4	$	143.6
Included in:
Other operating expense:
Liberty Global Group	$	0.8	$	1.1	$	1.7	$	1.6
LiLAC Group	0.1		0.3		0.6		0.5
Total other operating expense	0.9		1.4		2.3		2.1
SG&A expense:
Liberty Global Group	52.6		70.3		85.1		137.0
LiLAC Group	2.9		2.9		8.0		4.5
Total SG&A expense	55.5		73.2		93.1		141.5
Total	$	56.4	$	74.6	$	95.4	$	143.6

_______________

(a)

Includes share-based compensation expense related to (i) performance-based restricted share units (PSUs), (ii) for the 2016 periods, a challenge performance award plan for certain executive officers and key employees (the Challenge Performance Awards) and (iii) through March 2017, performance grant units (PGUs) held by our Chief Executive Officer. The Challenge Performance Awards include performance-based share appreciation rights (PSARs) and PSUs.

Schedule of stock option activity

The following table provides the aggregate number of options, share appreciation rights (SARs) and PSARs with respect to (i) Liberty Global Shares and (ii) LiLAC Shares that were (a) outstanding and (b) exercisable as of June 30, 2017:

	Class A			Class C
	Number of shares underlying awards	Weighted Average exercise or base price		Number of shares underlying awards	Weighted Average exercise or base price
Aggregate number of Liberty Global options, SARs and PSARs:
Outstanding at June 30, 2017	15,772,744	$	32.27	37,673,600	$	30.06
Exercisable at June 30, 2017	8,778,178	$	29.62	23,636,492	$	27.44
Aggregate number of LiLAC options, SARs and PSARs:
Outstanding at June 30, 2017	2,551,821	$	31.61	5,918,044	$	31.60
Exercisable at June 30, 2017	1,220,756	$	33.54	3,253,819	$	32.65

Schedule of other share based compensation activity

The following table provides the aggregate number of restricted share units (RSUs) and PSUs with respect to (i) Liberty Global Shares and (ii) LiLAC Shares that were outstanding as of June 30, 2017:

	Class A	Class C
Aggregate number of RSUs:
Liberty Global	680,875	1,353,264
LiLAC	191,990	393,870
Aggregate number of PSUs:
Liberty Global	2,425,135	4,857,495
LiLAC	432,405	864,853